AISEN Gas Cap + Oil Cap for STIHL 017 018 MS170 MS180 Chainsaw 1130 350 0500 Replaces for 1130 350 0500,11303500500 Fits for Stihl 017 017C 018 018C 019 019T MS170 MS170C MS180 MS180C MS190 MS190T MS191T Chainsaw Package include: 1 gas cap, 1 oil cap